Biology College
Answers
Answer 1
3H2O is the correct answer
Answer 2
Answer:
D. 3H2O
Explanation:
An atom is the smallest unit of matter that has the characteristics of a chemical element. It consists of protons, neutrons, and electrons - small electrically charged particles.
They make up molecules - electrically neutral groups of two or more atoms connected by chemical bonds. Multiple molecules that consist of two or more different atoms make up a chemical compound.
The chemical compound that has nine atoms is 3H2O. Here, we have three molecules of water. Each molecule consists of three atoms - two hydrogen atoms and one oxygen atom. This means that three of these molecules have a total of nine atoms.
Related Questions
Latitudinal differences in surface warming give rise to global patterns of air circulation and rainfall. At the equator and the latitudes of 60 degrees ____. At the poles and the latitudes of 30 degrees _____.
A.cold, dry air sinks; warm, moist air rises and loses moisture as rain
B.warm, moist air rises and loses moisture as rain; cold, dry air sinks
Answers
Answer:
the answer is on letter A
Explanation:
Like
5.If the weather in Richmond, Virginia, changed to very cold (snow on the ground 8 months of each year) over the next few years, what change might occur?
a.The cold weather would cause a mutation in squirrels which causes their fur to be white.
b.If a mutation occurred which caused white fur to develop, such white squirrels would have a better chance to survive and produce more offspring with the characteristic.
c.Evolution would definitely occur resulting in white squirrels.
Answers
Answer:
A.
Explanation:
Because, they would have to adapt to their surroundings to survive and the white fur is a little thicker and help them blend in better form predators
b. If a mutation occurred which caused white fur to develop, such white squirrels would have a better chance to survive and produce more offspring with the characteristic.
What is natural selection?
If a mutation occurred in a squirrel that caused it to have white fur, and if this trait helped the squirrel survive and reproduce more effectively in a cold, snowy environment, then it is possible that the trait could become more common in the population over time. This is known as natural selection.
However, it is important to note that whether or not a particular trait will become more common in a population depends on many factors, including the environment, the competition for resources, and the presence of predators.
Learn more about natural selection, here:
https://brainly.com/question/2725702
#SPJ2
g When an oxygen molecule diffuses from the air in the lung into the plasma in a capillary in the lung, how many times does it have to diffuse through a plasma membrane before reaching the plasma
Answers
Answer:
The answer is 2.
Explanation:
When oxygen gets into the lungs, it first needs to diffuse through the alveoli and into the blood. Then through the veins and capillaries, it diffuses into all the calls in the body. It does so quite easily because it is a nonpolar and a very small molecule with a low concentration inside the cell. This gives it the ability to diffuse easily through the cell membrane.
So the number of times that oxygen has to diffuse through a plasma membrane is two.
I hope this answer helps.
Describe what a matrix organization is. Make sure you discuss the advantages and disadvantages of this structure.
Answers
Answer:
A matrix organization is an organizational structure where employs gets a command from two or more chain of lines and report multiple boss or manager and able to perform various roles in various functions.
Advantages:
- effective use of resources according to the roles in the function
- motivational atmosphere by performing multiple roles
- improved skills like, decision making and taking the initiative
Disadvantages
- increase in internal complexity and confusion
- increase in internal conflict due to multiple reporting lines.
- competition or ego clashes
What must happen for most areas on Earth to experience all four seasons?
•The Sun must reach its highest point in the sky.
•The Northern Hemisphere must experience winter.
•The axis must be tilted at a certain angle that."
remains unchanged.
•The north end of Earth's axis must always point away from the Sun.
HELP ON TIMER
Answers
Answer:
The correct answer is - The axis must be tilted at a certain angle that." remains unchanged.
Explanation:
On the earth there ae many seasons but there are four major season, winter, summer, spring and autumn. The main reason that leads to all four season is the tilt of the sun at a specific angle that remain unchanged which leads to change in the distance to the sun at specific time of the year which result in different rays of sun the part. So, whatever hemisphere or part tilted towards the sun leads to different season for instance:
North pole tilted towards the sun - summer in northern hemisphere
south pole tilted towards the sun - winter in northern hemisphere
Answer:
The axis must be tilted at a certain angle that remains unchanged.
Explanation:
C on the test review. Good luck with your test/quiz/test review!
Select the correct answer. A physician examines a patient who complains of breathing problems. She finds fluctuations in the patient's blood pressure and heart rate. The physician thinks it's because of a brain Injury. Which part of the brain is affected?
Answers
(Medulla oblongata) is the part of the brain which is affected of the patient who is complaining of breathing problems. The (Medulla oblongata) is a vital center which controls visceral activities such as breathing, heart rates, blood pressure, swallowing and vomiting.
Hope This Helps!!
Answer:
Medulla oblongta
Explanation:
G A A G C G A T C A G T T A C G
Now write the mRNA strand for the given DNA strand
Answers
Answer:
http://www.sheffield.k12.oh.us/Downloads/DNA_base_pairing%20activity.pdf
Explanation:
Describe the process of positive feedback and how it maintains homeostasis.
(100 points)
Answers
Answer:
Homeostasis is the tendency to resist change in order to maintain a stable, relatively constant internal environment. Homeostasis typically involves negative feedback loops that counteract changes of various properties from their target values, known as set points
Explanation:
Which two groups of organisms contain members that carry out photosynthesis?
O fungi and plants
O plants and algae
O protists and fungi
O animals and algae
Answers
Answer: B. plants and algae
Explanation:
Answer:
plants and algae
Explanation:
:)
Need answer quick please!!
Which statement best summarizes how a parasite such as a tapeworm
causes disease?
A. Parasites use living cells to make new copies of themselves.
B. Parasites reproduce best in warm, moist environments.
C. Parasites are made up of genetic material surrounded by a
protein.
D. Parasites take nutrients from another organism's body.
lo
Answers
Answer:
D. Parasites take nutrients from another organism's body
Parasites by definition leech off of their hosts by stealing nutrients
Give two regions of the body where the bones act as a protection for vital organs. name the bones and the organs they protect.
Answers
Answer:
The skull protects the brain, ribs form a cage that shelters the heart and lungs
Explanation:
The skull protects the brain; the thorax (sternum, ribs and spine) protects the heart, lungs and other viscera (organs within the thorax). The ribs form a cage that shelters the heart and lungs, and the pelvis helps protect the bladder, part of the intestines, and in women, the reproductive organs. Bones are made up of a framework of a protein called collagen, with a mineral called calcium phosphate that makes the framework hard and strong.
Match each type of stress with its description.
stress caused by rocks pulling apart
compression
stress caused by rocks being pushed in
opposite directions
tension
stress caused by rocks pushing together
shearing
Correct!
Answers
Answer:Shearing: stress caused by rocks being pushed in opposite direction
Tension: street caused by rocks pulling apart
Compression: stress caused by rocks pushing together
Explanation:
Matching the description with each type of stress associated with rocks, we have:
1. Tension: street caused by rocks pulling apart.
2. Shearing: stress caused by rocks being pushed in opposite direction.
3. Compression: stress caused by rocks pushing together.
A rock can be defined as a solid naturally occurring landform that is made up of minerals.
In Geology, stress can be defined as a force that acts on a rock per unit area.
Generally, there are four (4) main types of of stress associated with rocks and these include:
1. Tension: it is a stress typically caused by rocks pulling apart, which makes them to either increase in length or break apart.
2. Shearing: it is a stress typically caused by rocks being pushed in opposite direction due to the effect of parallel forces.
3. Compression: this is a stress that is caused by rocks pushing together, which makes them to either fold or fracture (break).
4. Confining stress: it is a stress typically caused by rocks being pushed down by the weight of any material above it.
Read more: https://brainly.com/question/21975453
Question 47
2 pts
If our body could not do any anabolic chemical reactions for a short time
then during that time our body would not be able to...
o Maintain a constant temperature around 98 degrees fahrenheit
O Burn sugar and fat
O Move
O Make new cells
Question 48
2 pts
Answers
Our body would not be able to make new cells.
List out the role of polyploid in ornamental horticulture?
Answers
Polyploidy is a major force in the evolution of both wild and cultivated plants- In addition, polyploidy often results in reduced fertility due to meiotic errors, allowing the production of seedless varieties...
Which of the following is the biome with the coldest temperature?
•Chaparral
•Tundra
•Boreal forest
•Temperate deciduous forest
Answers
Answer:
tundra
Explanation:
The tundra is the coldest of the biomes. It also receives low amounts of precipitation, making the tundra similar to a desert. Tundra is found in the regions just below the ice caps of the Arctic, extending across North America, to Europe, and Siberia in Asia.
Answer:
b
Explanation:
tundra it's the coldest temperature according to my prof
Which of the following plant is associated with Chronic Obstructive Pulmonary Disease in horses?
a.Eupatorium adenophorum
b.Lantana camara
c. Quercus griffithi
d. Bracken Fern
Answers
Answer a
I think .....
If a cell suddenly stopped producing transfer RNA, which of the following processes would be immediately affected?
A) MUTATION
B) REPLACATION
C) TRANSCRIPTION
D)TRANSLATION
Answers
Answer:
D
Explanation:
If a cell suddenly stopped producing transfer RNA, the process that would be immediately affected is translation. The correct option is D.
What is translation?
The translation is the second step of the process of protein synthesis. In translation, the RNA give instruction to the ribosomes, and they produce protein.
The first step in protein synthesis is transcription, in which the DNA gives its template to produce RNA. The RNA then in translation produces protein. The translation is divided into three steps. They are initiation, elongation, and termination.
Initiation starts the process and elongation runs the process. The termination gives the stop codons to stop the process. The codons are the codes of genetic codes.
Thus, the correct option is D. translation.
To learn more about translation, refer to the link:
https://brainly.com/question/17485121
#SPJ6
Which of the following is not a characteristic of DNA?
complementarity
antiparallel strands
double-stranded
composed of nucleotides
contains ribose
Answers
Hdheheheh I don’t care the third one I think
HELP TIMER WILL GIVE BRAINLY IF CORRECT!!!!
What must happen for most areas on Earth to experience all four seasons?
a) The Sun must reach its highest point in the sky.
b) The Northern Hemisphere must experience winter.
c) The axis must be tilted at a certain angle that remains unchanged.
d) The north end of Earth's axis must always point away from the Sun.
Answers
Answer:d
Explanation:
Which of the following are contributions of deforestation to global climate change? Select all that apply.
Conversion of forest to cropland or pasture decreases the rate at which carbon is taken up by plants.
Cut trees are often burned, and this releases carbon into the atmosphere.
Clearing of forests increases the leaching of nutrients in affected regions.
Deforestation increases the risk of landslides in cleared regions.
Answers
Answer:
The correct answer is -
Conversion of forest to cropland or pasture decreases the rate at which carbon is taken up by plants.
Cut trees are often burned, and this releases carbon into the atmosphere.
Explanation:
Deforestation is the manual removal of the forest and trees permanently to make the land available for places other than forests such as agricultural land, road or cities, and industries. There are many negative impacts of deforestation on the environment and ecology such as reduces biodiversity, soil erosion, a higher chance of flooding, educes soil fertility, global warming, and many more.
Global warming can be influenced by deforestation as if the forests are removed to create cropland the uptake of carbon dioxide will be very less in comparison to the forests as trees use carbon uptake at a higher rate. Many times deforestation also results in burning the trees and log of trees which contribute to the release of more carbon dioxide in the atmosphere. So deforestation means more CO2 in the atmosphere which leads to global warming.
Which of the following defines a blome?
•The collective term for all regions of Earth where life can exist.
•A region in which specific physical conditions support a distinctive blological community adapted to those conditions.
•Average weather conditions in a region over a long time period.
Answers
A habitat of organisms
Photosystem II is a phase of what type of reaction?
Calvin cycle
light-independent
light-dependent
electron transport
Answers
Answer:
Light Dependent
Explanation:
Photosystem II obtains replacement electrons from water molecules, resulting in their split into hydrogen ions (H+) and oxygen atoms. The oxygen atoms combine to form molecular oxygen (O2), which is released into the atmosphere. The hydrogen ions are released into the lumen.
NaCO3 was used as a source of carbon dioxide in the photosynthesis experiment. True False
Answers
The answer is True, it was a source.
Which type of cell is found in the hypodermis?
Answers
Answer:
The hypodermis contains the cells known as fibroblasts, adipose tissue (fat cells), connective tissue, larger nerves and blood vessels, and macrophages, cells which are part of the immune system and help keep your body free of intruders.
Explanation:
The hypodermis is made up of fibroblasts, these cells are a part of the body's connective tissues. These secrete collagen proteins that help in maintaining the structural framework of body.
What is Hypodermis?
The hypodermis is the bottom layer of the skin in the body. It performs many important functions such as storage of energy, connecting the dermis layer (upper layer) of the skin to the muscles and bones underneath, insulating the body during different temperature range and protecting the body from harm which could happen due to injury. As a person age, the hypodermis decreases in size, and the skin starts to sag and becomes more vulnerable to harm and injury.
The hypodermis of skin contains the cells known as fibroblasts, with other cells such as adipose tissue (fat cells), connective tissue, larger nerves and blood vessels, and macrophages, which are all part of the immune system of an individual and helps to keep the body free of intruders.
Learn more about Hypodermis here:
https://brainly.com/question/12993288
#SPJ2
Which of the following is not a way that the environment can influence traits?
the presence of toxins in the environment
through epigenetic factors
expression of the dominant trait
through variation in temperature
Answers
Answer:
The correct answer is - expression of the dominant trait
Explanation:
The ineraction of the genes such as dominant and recessive trait are incorporated in the genes and not influence by the environmental condition. These interaction are by the de noo mutations or due to the error in gene expression.
The environmental conditions like toxins cause alteration or mutation in the gene expressions. Temeprature or epigentic conditions are also the factor the can cause influence to traits.
A prairie:
A .is always hot
B. is covered with grass
C. never gets rain
D. has dense forests
Answers
B.
I hope this helps :)
B is coverd with grass
In patients with breast cancer, peau d’ orange skin is often first evident?
Answers
The areola is the most common initial site to visualize peau d'orange skin.
Hope this helps :)
Above is a bar graph showing how the average family uses water. Fresh water is a vitally important resource and its supply is limited. You want to try and help conserve this resource by cutting the usage of one of the fixtures above in half.
Answers
Answer:
We can't see the bar graph but showers use a lot of water so my guess would be cutting back on the time spent in the shower.
Explanation:
Tanyia
If the sperm of a boa constrictor has 18 chromosomes, how many chromosomes will each skin cell of the snake have?
Answers
Answer:
18 chromosomes
Explanation:
If the sperm of a boa constrictor has 18 chromosomes, the number of chromosomes that each skin cell of the snake will have is 36 chromosomes.
What is meiosis?
Meiosis is the process of gamete formation where each daughter cell or gamete contains half the number for f chromosomes as the parent cell.
According to this question, the sperm of a boa constrictor has 18 chromosomes. The sperm is a gamete formed as a result of meiosis.
Therefore, If the sperm of a boa constrictor has 18 chromosomes, the number of chromosomes that each skin cell of the snake will have is (18 × 2) = 36 chromosomes.
Learn more about meiosis at: https://brainly.com/question/1596925
#SPJ2
During G2 the Wee1 protein phosphorylates tyrosine-15 of the Cdc2 protein kinase, thus inactivating it. Only once dephosphorylation occurs and Cdc2 becomes active carn the cell pass from G2 into M and proceed to cell division. Can you think of a reason why the Wee1 protein was named as such?
Answers
Answer:
cells can't fully grow in Wee1 mutants
Explanation:
The G2 phase is a period where cell growth and proteins are synthesized to prepare for cell division. The Wee1 protein is a dosage-dependent inhibitor of mitosis. Moreover, the cyclin-dependent kinase 2 (cdc2) is a protein involved in the regulation of the cell cycle which phosphorylates serine residues in Wee1. However, in Wee1 mutants, Cdc2 is not inactivated (phosphorylated). This change causes cells to enter M phase prematurely, thereby producing "wee" mutant cells.
